I pulled from git master today to build LO and got LLVM exit code 139 - an error code I can't find the meaning of, but it's apparently an internal error. The build ends like this, even after a make clean (I've cut the stack dump): ... [CXX] sal/osl/unx/tempfile.cxx [CXX] sal/osl/unx/thread.cxx [CXX] sal/osl/unx/time.cxx [CXX] sal/osl/unx/uunxapi.cxx [CXX] sal/osl/unx/system.cxx PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script. Stack dump: 0. Program arguments: /usr/bin/c++ -DBOOST_ERROR_CODE_HEADER_ONLY -DBOOST_SYSTEM_NO_DEPRECATED -DCPPU_ENV=gcc3 -DLINUX -DNDEBUG -DOSL_DEBUG_LEVEL=0 -DUNIX -DUNX -DX86_64 -D_PTHREADS -D_REENTRANT -DSAL_DLLIMPLEMENTATION -DRTL_OS=\"Linux\" -DRTL_ARCH=\"X86_64\" -DSRCDIR=\"/home/fun/libreoffice\" -DCOND_LIB_SAL_TEXTENC -DSYSTEM_ZLIB -DZLIB_CONST -fvisibility=hidden -Wall -Wno-missing-braces -Wendif-labels -Wextra -Wundef -Wunreachable-code -Wshadow -Wunused-macros -Wembedded-directive -finput-charset=UTF-8 -fmessage-length=0 -fno-common -pipe -fstack-protector-strong -Wdeprecated-copy-dtor -Wimplicit-fallthrough -Wunused-exception-parameter -Wrange-loop-analysis -fvisibility-inlines-hidden -fPIC -Wshadow -Woverloaded-virtual -std=c++20 -pthread -O2 -fexceptions -DLIBO_INTERNAL_ONLY -c /home/fun/libreoffice/sal/osl/all/debugbase.cxx -o /home/fun/libreoffice/workdir/CxxObject/sal/osl/all/debugbase.o -MMD -MT /home/fun/libreoffice/workdir/CxxObject/sal/osl/all/debugbase.o -MP -MF /home/fun/libreoffice/workdir/Dep/CxxObject/sal/osl/all/debugbase.d_ -I/home/fun/libreoffice/workdir/UnpackedTarball/dtoa/include/ -I/home/fun/libreoffice/workdir/UnpackedTarball/dragonbox/include/ -I/home/fun/libreoffice/include -I/usr/lib/jvm/java-17-openjdk-amd64/include -I/usr/lib/jvm/java-17-openjdk-amd64/include/linux -I/home/fun/libreoffice/config_host -I/home/fun/libreoffice/sal/inc -fcolor-diagnostics 1. /home/fun/libreoffice/sal/osl/all/debugbase.cxx:52:8: current parser token ';' 2. /home/fun/libreoffice/sal/osl/all/debugbase.cxx:30:1: parsing namespace '(anonymous)' 3. /home/fun/libreoffice/sal/osl/all/debugbase.cxx:33:1: parsing function body '(anonymous namespace)::StaticDebugBaseAddressFilter' 4. /home/fun/libreoffice/sal/osl/all/debugbase.cxx:33:1: in compound statement ('{}') Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it): [...] clang: error: clang frontend command failed with exit code 139 (use -v to see invocation) Ubuntu clang version 14.0.0-1ubuntu1.1 Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/bin I don't see everyone else complaining about this, so I expect it's something special in my setup. Does anyone have any idea? - thanks, David.